Control system, control method, and drive device

Abstract

A control system is provided with safety drivers having motion safety functions and with a standard controller that manages data exchanges among devices connected to a field network, wherein: when a connection in the field network is established, the standard controller transmits SRA parameters to the safety drivers via the field network, the SRA parameters including designation information to designate enabling or disabling for each of the motion safety functions; and the safety drivers disable particular motion safety functions that are designated to be disabled by the designation information.

1 . A control system comprising:
 a drive device that is connected to a network, has at least one or more safety functions, and drives a motor; and   a controller that manages data exchange between devices comprising the drive device connected to the network,   wherein the controller transmits a parameter related to setting of the drive device to the drive device via the network when connection in the network is established,   wherein the parameter comprises designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device disables a specific safety function that is designated to be disabled by the designation information comprised in the parameter among the at least one or more safety functions.   
     
     
         2 . The control system according to  claim 1 ,
 wherein the parameter is a safety-related application (SRA) parameter.   
     
     
         3 . The control system according to  claim 1 ,
 wherein the designation information comprises information for designating enabling or disabling of each of the at least one or more safety functions by using a bit string in which bits respectively corresponding to the at least one or more safety functions are arranged.   
     
     
         4 . The control system according to  claim 1 , comprising:
 a support device that supports setting related to the at least one or more safety functions,   wherein the support device provides a user interface for setting the designation information.   
     
     
         5 . The control system according to  claim 4 ,
 wherein, in response to designation of disabling of the specific safety function among the at least one or more safety functions, the support device prohibits use of a variable referred to by a program related to the specific safety function.   
     
     
         6 . The control system according to  claim 5 ,
 wherein the support device provides a notification of prohibition of use of the variable.   
     
     
         7 . The control system according to  claim 1 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         8 . A control method in a control system, the control system comprising a drive device that is connected to a network, has at least one or more safety functions, and drives a motor, and a controller that manages data exchange between devices comprising the drive device connected to the network, the control method comprising:
 transmitting, by the controller, a parameter comprising designation information for designating enabling or disabling of each of the at least one or more safety functions to the drive device via the network when connection in the network is established; and   disabling, by the drive device, a specific safety function that is designated to be disabled by the designation information comprised in the parameter among the at least one or more safety functions.   
     
     
         9 . A drive device that is connected to a network, has at least one or more safety functions, and drives a motor, in which data exchange between devices comprising the drive device connected to the network is managed by a controller, the drive device comprising:
 a reception part that receives, from the controller, a parameter comprising designation information for designating enabling or disabling of each of the at least one or more safety functions via the network when connection in the network is established; and   a disabling part that disables a specific safety function that is designated to be disabled by the designation information comprised in the parameter among the at least one or more safety functions.   
     
     
         10 . The control system according to  claim 2 ,
 wherein the designation information comprises information for designating enabling or disabling of each of the at least one or more safety functions by using a bit string in which bits respectively corresponding to the at least one or more safety functions are arranged.   
     
     
         11 . The control system according to  claim 2 , comprising:
 a support device that supports setting related to the at least one or more safety functions,   wherein the support device provides a user interface for setting the designation information.   
     
     
         12 . The control system according to  claim 3 , comprising:
 a support device that supports setting related to the at least one or more safety functions,   wherein the support device provides a user interface for setting the designation information.   
     
     
         13 . The control system according to  claim 10 , comprising:
 a support device that supports setting related to the at least one or more safety functions,   wherein the support device provides a user interface for setting the designation information.   
     
     
         14 . The control system according to  claim 2 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         15 . The control system according to  claim 3 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         16 . The control system according to  claim 4 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         17 . The control system according to  claim 5 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         18 . The control system according to  claim 6 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         19 . The control system according to  claim 10 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.   
     
     
         20 . The control system according to  claim 11 , comprising:
 a second controller that transmits a safety command related to operations of the at least one or more safety functions to the drive device,   wherein the safety command comprises second designation information for designating enabling or disabling of each of the at least one or more safety functions, and   wherein the drive device enables or disables each of the at least one or more safety functions on the basis of the designation information comprised in the parameter and the second designation information comprised in the safety command.